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Lot 447

AN EIGHTEENTH CENTURY SUNDIAL.

5 December 2018, 14:00 EST
New York

US$2,000 - US$3,000

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AN EIGHTEENTH CENTURY SUNDIAL.

English, second quarter 18th century, bronze horizontal sundial displaying the Equation of Time, signed "T. Heath Fecit," 8 inches in diameter. Fixed gnomon, the circular plate engraved with roman chapter ring enclosing ring giving the annual variation between Mean Time and Solar Time, labeled "Watch Faster / Watch Slower," further engraved with a calendar ring and central compass rose labeled with cardinal and intermediate points.

Thomas Heath, a London instrument maker, worked from 1720-1753 at the sign of Hercules and Globe in the Strand.

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